10686787 has 2 divisors, whose sum is σ = 10686788. Its totient is φ = 10686786.

The previous prime is 10686779. The next prime is 10686791. The reversal of 10686787 is 78768601.

It is a strong prime.

It is an emirp because it is prime and its reverse (78768601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10686787 - 2³ = 10686779 is a prime.

It is a super-2 number, since 2×10686787² = 228414832766738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10686187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5343393 + 5343394.

It is an arithmetic number, because the mean of its divisors is an integer number (5343394).

Almost surely, 2^10686787 is an apocalyptic number.

10686787 is a deficient number, since it is larger than the sum of its proper divisors (1).

10686787 is an equidigital number, since it uses as much as digits as its factorization.

10686787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112896, while the sum is 43.

The square root of 10686787 is about 3269.0651568912. The cubic root of 10686787 is about 220.2668044021.

The spelling of 10686787 in words is "ten million, six hundred eighty-six thousand, seven hundred eighty-seven".